Home / 13,203.58-19,804.40-4,879.71

Finding the Fourth Proportional to 13,203.58, 19,804.40 and 4,879.71

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Solution

The fourth proportional to 13,203.58, 19,804.40 and 4,879.71 is: 7,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.58 : 19,804.40 = 4,879.71 : x
  2. Step 2: Convert to fraction form
    13,203.58/19,804.40 = 4,879.71/x
  3. Step 3: Cross multiply
    13,203.58x = 19,804.40 × 4,879.71
  4. Step 4: Simplify right side
    13,203.58x = 96,639,704.33
  5. Step 5: Solve for x
    x = 96,639,704.33/13,203.58
  6. Step 6: Final answer
    x = 7,319.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.